mirror of
https://github.com/kidfromjupiter/nearby.git
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57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef NO_WEBRTC
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#include "connections/implementation/mediums/webrtc_peer_id.h"
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#include <sstream>
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#include "absl/strings/ascii.h"
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#include "absl/strings/escaping.h"
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#include "connections/implementation/mediums/utils.h"
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namespace nearby {
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namespace connections {
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namespace mediums {
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namespace {
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constexpr int kPeerIdLength = 64;
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std::string BytesToStringUppercase(const ByteArray& bytes) {
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std::string hex_string(
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absl::BytesToHexString(std::string(bytes.data(), bytes.size())));
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absl::AsciiStrToUpper(&hex_string);
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return hex_string;
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}
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} // namespace
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WebrtcPeerId WebrtcPeerId::FromRandom() {
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return FromSeed(Utils::GenerateRandomBytes(kPeerIdLength));
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}
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WebrtcPeerId WebrtcPeerId::FromSeed(const ByteArray& seed) {
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ByteArray full_hash(Utils::Sha256Hash(seed, kPeerIdLength));
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ByteArray hashed_seed(full_hash.data(), kPeerIdLength / 2);
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return WebrtcPeerId(BytesToStringUppercase(hashed_seed));
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}
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bool WebrtcPeerId::IsValid() const { return !id_.empty(); }
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} // namespace mediums
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} // namespace connections
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} // namespace nearby
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#endif
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